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TITLE:
Sajax "sajax_get_common_js()" Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA33894

VERIFY ADVISORY:
http://secunia.com/advisories/33894/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Sajax 0.x
http://secunia.com/advisories/product/21352/

DESCRIPTION:
Daniel Toma has discovered a vulnerability in Sajax, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

Input passed via the URL to the "sajax_get_common_js()" function in
php/Sajax.php is not properly sanitised before being returned to the
user. This can be exploited to execute arbitrary HTML and script code
in a user's browser session in context of an affected site.

Successful exploitation requires that the user is running a browser
that does not URL-encode the request (e.g. Internet Explorer 6).

The vulnerability is confirmed in version 0.12. Other versions may
also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
Daniel Toma

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